Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,552,551",
      "signature": "0xa9239b38845a4f8a3ab053f0211756c26aff18128b79ac69b449d9d7e728cccacf353ecfa647155d3591e974fab0fcfe",
      "randomness": "0xe79680a0501330c7852d221b5645bffaea4deaaa815d2098b9347ec15518e0ce"
    }
  ],
  "blockNumber": "7,408,473"
}

{
  "Sr25519": "0x5ecf7cb3cc759bb733b3c41e05faf75f39c14c46f9a0a5ba9e3f155026d47343d60f58c845dc611e5786c5e52758f10b5221d455f1f6f20a1974b8fd8478a089"
}